docs: def all_good_stars(self):
          """
          A list of all `EPSFStar` objects stored in this object that have
          not been excluded from fitting, including those that comprise
          linked stars (i.e. `LinkedEPSFStar`), as a flat list.
          """
  
          stars = []
          for star in self.all_stars:
              if star._excluded_from_fit:
                  continue
              else:
                  stars.append(star)
  
          return stars